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KonstantinChe [14]
2 years ago
8

Classify each polygon by the number of sides. Tell whether it's convex or concave.​

Mathematics
1 answer:
EastWind [94]2 years ago
7 0

Answer:

  a. hexagon, convex

  b. pentagon, concave

  c. heptagon, convex

  d. decagon, concave

Step-by-step explanation:

Count the sides. Refer to your memory or a list of polygon names for the appropriate name.

If any internal angle measures more than 180°, the polygon is concave. Otherwise, it is convex.

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Given the range of the function, find the corresponding domain. f(x) = 4x - 1 Range: {3, 7, 11, 15}
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The range is the output value or the y value.
You would work backwards to find the domain.

f(x) = 4x - 1                              f(x) = 4x - 1
3 = 4x - 1                                    7 = 4x - 1
add 1 to both sides                    add 1 to both sides
4 = 4x                                            8 = 4x
divide both sides by 4              divide both sides by 4
x = 1                                              x = 2

f(x) = 4x - 1                                  f(x) = 4x - 1
11 = 4x - 1                                      15 = 4x - 1
add 1 to both sides                      add 1 to both sides
12 = 4x                                              16 = 4x
divide both sides by 4                  divide both sides by 4
x = 3                                                    x = 4
Domain { 1, 2, 3, 4}
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3 years ago
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